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The goal of feature selection is to select a minimum subset of features (which includes individually relevant and interacting features) that can be used to explain the different classes with as little information loss as possible (Yu and Liu, 2004)
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designed a hybrid triboelectric nanogenerator (TENG) with a waterwheel-like structure, in which the blades were covered with nanostructured PTFE thin films 56
It is equipped with JanSports signature ergonomic S-shaped shoulder straps, which are designed to contour naturally to your shoulders and chest for a more comfortable and balanced fit
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